The posterior abdominal wall - fascia of the posterior abdominal wall

Question 1

what is fascia?

Answer 1

a continous sheet of connective tissue

Question 2

where does fascia lie?

Answer 2

between the parietal peritoneum and the muscles of the posterior abdominal wall

Question 3

what is fascia continuous with?

Answer 3

transversalis fascia of the anterolateral abdominal wall

Question 4

how do you name fascia?

Answer 4

according to the structure it overlies

Question 5

what does the psoas fascia cover?

Answer 5

psoas major muscle

Question 6

what is attached to the psoas fascia medially?

Answer 6

lumbar vertebrae medially

Question 7

What is the psoas fascia continuous with laterally?

Answer 7

thoracolumbar fascia laterally

Question 8

what is the psoas fascia continuous with inferiorly?

Answer 8

iliac fascia inferiorly

Question 9

what does the thoracolumbar fascia consist of?

Answer 9

3 layers:

posterior, middle & anterior

Question 10

what is enclosed between the layers of thoracolumbar fascia?

Answer 10

muscles

Question 11

what is situated between anterior and middle layers of the thoracolumbar fascia?

Answer 11

quadratus lumborum

Question 12

what is situated between the middle and posterior layers of thoracolumbar fascia?

Answer 12

deep back muscles

Question 13

where does the posterior layer of the thoracolumbar fascia extend?

Answer 13

between 12th rib and iliac crest posteriorly

Question 14

where does the thoracolumbar fascia extend laterally?

Answer 14

laterally fascia meets the internal oblique and transversus abdominis muscles, but NOT the external oblique

Question 15

what does the thoracolumbar fascia cover as it forms the posterior and lateral attachments?

Answer 15

latissimus dorsi

Question 16

what does the anterior layer of the thoracolumbar fascia attach to?

Answer 16

anterior aspect of the transverse processes of the lumbar vertebrae, the 12th rib and the iliac crest

Question 17

laterally, what is the fascia continuous with?

Answer 17

the aponeurotic origin of the trnsversus abdominis muscle

Question 18

superiorly, what does the fascia become?

Answer 18

fascia thickens to become the lateral arcuate ligament

Question 19

what does the lateral arcuate ligament join with inferiorly?

Answer 19

lateral arcuate ligament joins with iliolumbar ligament inferiorly